<template>
  <div class="list" ref="listRef">
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card shadow="always" :body-style="{ padding: '20px' }">
      <!-- card body -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" @keyup.enter.native="_getGoodsList" v-model="queryInfo.query" clearable @clear="_getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="_getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
       <!-- table表格区域 -->
      <el-table :data="goodslist" :height="tHeight" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            <!-- {{scope.row.add_time | dateFormat}}过滤器形式 -->
            {{$moment(scope.row.add_time*1000).format('YYYY-MM-DD HH:mm:ss')}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" @click="editById(scope.row.goods_id)" size="mini">编辑</el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
       <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
      </el-pagination>
    </el-card>

  </div>
</template>

<script scoped>
import { getGoodsList, deleteGood } from 'network/api/good.js'
export default {
  name: 'Goods',
  data () {
    return {
      tHeight: undefined,
      queryInfo: {
        query: '',
        pagesize: 10,
        pagenum: 1
      },
      total: 0,
      goodslist: []
    }
  },
  created () {
    this._getGoodsList()
  },
  mounted () {
    this.tHeight = this.$refs.listRef.offsetHeight - 172
  },
  methods: {
    // 获取商品列表
    async _getGoodsList () {
      const res = await getGoodsList(this.queryInfo)
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      this.$message.success('获取商品列表成功！')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    // 添加商品
    goAddpage () {
      this.$router.push('/addgood')
    },
    handleSizeChange (newsize) {
      this.queryInfo.pagesize = newsize
      this._getGoodsList()
    },
    handleCurrentChange (newnum) {
      this.queryInfo.pagenum = newnum
      this._getGoodsList()
    },
    // 删除商品
    async removeById (id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除！')
      }
      const res = await deleteGood(id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败！')
      }

      this.$message.success('删除成功！')
      this._getGoodsList()
    }
  },
  computed: {
  }
}
</script>

<style lang='less' scoped>
.list{
  height: 100%;
}
</style>
